Yagi antenna



FIG. 1 is a front isometric view of a yagi antenna showing my design.

FIG. 2 is a front elevational view thereof;

FIG. 3 is a bottom view thereof.

FIG. 4 is a left side elevation view thereof.

FIG. 5 is a right side elevation view thereof.

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof. 

The ornamental design for yagi antenna, as shown and described. 